Chain Tension Adj Box Two 10Mm/2-Axle Hole Rd

• Not too hot, not too cold. Box Two Chain Tensioners let you dial in your chain tension so it`s just right
• Two mounting holes provide room for ample adjustment on most frames
• When used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be

Specifications:

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• Size:10mm
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• Color:Red
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